package com.hyh.shiyanshiguanli.interceptor;


import com.hyh.shiyanshiguanli.Type.Type;
import com.hyh.shiyanshiguanli.constant.JwtClaimsConstant;
import com.hyh.shiyanshiguanli.context.BaseContext;
import com.hyh.shiyanshiguanli.properties.JwtProperties;
import com.hyh.shiyanshiguanli.utils.JwtUtil;
import io.jsonwebtoken.Claims;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author hyh
 * @version 1.0
 */
@Slf4j
@Component
public class JwtTokenAdminInterceptor implements HandlerInterceptor {

    @Autowired
    private JwtProperties jwtProperties;

    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //判断当前拦截到的是Controller的方法还是其他资源
        if (!(handler instanceof HandlerMethod)) {
            //当前拦截到的不是动态方法，直接放行
            return true;
        }
        //1、从请求头中获取令牌
        String token = request.getHeader(jwtProperties.getAdminTokenName());
        //2、校验令牌
        try {
            log.info("jwt校验:{}", token);
            Claims claims = JwtUtil.parseJWT(jwtProperties.getAdminSecretKey(), token);
            Long adminId = Long.valueOf(claims.get(JwtClaimsConstant.ADMIN_ID).toString());
            Long mark = Long.valueOf(claims.get(JwtClaimsConstant.MARK).toString());
            log.info("当前管理员id：{}", adminId);
            Type.mark = mark;
            log.info("mark值为：{}",Type.mark);
            BaseContext.setCurrentId(adminId);
            //3、通过，放行
            return true;
        } catch (Exception ex) {
            //4、不通过，响应401状态码
            response.setStatus(401);
            return false;
        }
    }


}
